
Babbage's Analytical Engine, 1834-1871. (Trial model)
1871
1871
1872
1878-1879
1879
1872
1879
1884
1879
1882
1875
1884
1877
1878
1879
circa 1871
1884
1875
1955; 1830
1871
circa 1880
1879
1876
1878
1872-1880
1893-4
1934
1879
1880
1875
2000-100 BCE
1876
1872 (original); 1909 (model)
1875
1872
1880
1880
circa 1880
1772 (original); 1919 (model)
1873
circa 1880
1990-96
1884
1879
1801-1840 (original); 1901 (model)
1775-1799 (original); 1900-1907 (model)
1871
1830 (original); 1967 (model)
1876
1878
1877